Search Results for: spindle-cell hemangioma

Histologic Diagnosis of Inflammatory Skin Diseases

Kimura’s disease

…ations, it may be inferred that the vascular changes just described, referred to imprecisely as those of “histiocytoid hemangioma,” represent a pattern histopathologic analogous to those of granular cellularity, flame figures,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Metastasizing Dermatofibroma?

…scularity, hemorrhage/hemosiderin deposition, degree of sclerosis (a feature of later stage lesions), and types of composite cells (giant cells, atypical cells, lipid-laden histiocytes, etc.).” Barnhill RL. Textbook of Dermatopathology. New…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Colors Stereotypical for Diseases Specific?

…necessarily blue. So, too, it is for the frog spawn-like appearance of lymphangiomas and for the cherry red in that type of hemangioma known inaccurately as “senile.” It is important that dermatologists be alert to the effect of color…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

…y. 5th ed. Oxford, England: Blackwell Scientific Publications, 1992:1516. “Tumors are best classified according to the cell type from which they take origin. In some instances where the type of the cell of origin has not been definitely…

Confusion—specimen mix-up in dermatopathology and measures to prevent and detect it

Confusion—specimen mix-up in dermatopathology and measures to prevent and detect it

…CrossRef 13. Swetter SM, Boldrick JC, Pierre P, Wong P, Egbert BM. Effects of biopsy-induced wound healing on residual basal cell and squamous cell carcinomas: rate of tumor regression in excisional specimens. J Cutan Pathol. 2003;30(2):139-46. 14….

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…sing dermatitis and panniculitis, septal + 10.92.2B: Sclerosis throughout the dermis and an increased number of stellate and spindle-shaped fibrocytes in the upper part of it = Radiation dermatitis, chronic The findings in longstanding lesions of…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…scarring processes, e.g., dermatofibroma. 10.70.2A: Panniculitis, lobular + 10.70.2B: Interwoven fascicles of plump oval and spindle-shaped fibrocytes in conjunction with fibrillary bundles of collagen, abundant mucin, scattered lymphocytes, and…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…not qualify as an inflammatory disease because of the absence of inflammatory cells. 11.18.2A: No infiltrate of inflammatory cells + 11.18.2B: Fibrocytes and mast cells amidst mucin in the upper part of the dermis = Scleromyxedema At scanning…

Histologic Diagnosis of Inflammatory Skin Diseases

Scar

…ose cells bring forth the entire infundibulo-apocrine-sebaceous-follicular unit. Low-grade fibrosarcoma consists of abnormal spindle cells arranged in fascicles that often interweave in a herringbone pattern. Laboratory confirmation None exists….